The Spanish city has the highest density of cars in the EU at almost 6,000 vehicles per square kilometre. Cutting down on ...

A 25% reduction in motorised traffic in the city of Barcelona would have significant health benefits. A study carried out by ISGlobal estimates this improvement in air quality would prevent almost 200 ...

Researchers identified in a new study that exposure to heavy air pollution, especially particulate matter (PM10), is strongly ...

Two years after the Clean Air Zone was launched in Sheffield and it would be fair to say it continues to be unpopular with ...

Mayor argues that his London-wide Ulez expansion involved a ‘combination of carrots and sticks’, rather than only seeking to ...

Two of the most toxicologically significant compounds are nitric oxide (NO) and nitrogen dioxide (NO 2). Other gases belonging to this group are nitrogen monoxide (or nitrous oxide, N 2 O), and ...

Skoltech researchers have theoretically investigated the wide range of molecules that oxygen and carbon atoms can form in ...

So why do so many life-forms breathe oxygen? There are probably thousands of kinds of metabolisms, or chemical processes that ...

Researchers develop a nickel catalyst that converts carbon dioxide to carbon monoxide with 99% selectivity by precisely ...